Keystones — Bedrock
Five GCSE retrieval questions · 18 April 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 45
Answer: 47 + 45 = 92 -
2. Algebra Substitution
If x = 9, find the value of 6x + 10
Answer: 64 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:12
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 5, 20, 10, 6, 12
Answer: 10.6